Assembly fixture for flow meter products

Abstract

This application relates to an assembly fixture for a flow meter product, including a base adapted to the base of the flow meter. Two or more locating pins are pre-installed on the base, their positions and distribution corresponding to locating holes on the base, and suitable for positioning the base in a first orientation when the locating holes are inserted into the locating pins. A fixing rod is vertically installed at the center of the base, suitable for inserting the upper shell of the flow meter with its outer end face downwards. Limiting blocks are respectively installed on opposite sides of the base, suitable for fixing the base and for abutting against the outer end face of the upper shell inserted through the fixing rod. A clamping mechanism is also included at the top of the upper shell, cooperating with the fixing rod to clamp and secure the upper shell and base. This assembly fixture allows for the installation and fixing of the upper shell and base according to the required position and orientation, and is simple to operate and cost-effective.

Description

Technical Field

[0001] This utility model relates to the field of flow meter production and processing, and more specifically, to an assembly tooling for flow meter products. Background Technology

[0002] Figure 1 This is a partial structural diagram of a product other than the flow meter; such as Figure 1 As shown, the flow meter product has its coil (not shown) protected by a housing, and the transmitter is mounted on a base to realize the product's measurement function. The housing consists of an upper shell, a lower shell, and a base. The base has five positioning holes that determine the position of the transmitter on the X and Z axes in space.

[0003] During installation, the positions of the holes on the base need to be determined, ensuring that the center hole of the outer shell and the center hole of the base are on the same axis, the outer shell and the base are perpendicular, and the base is in a specific orientation before proceeding with assembly and welding. Utility Model Content

[0004] In view of this, the present invention proposes an assembly fixture for flow meter products, which facilitates the correct orientation positioning of the base and the assembly and installation between the base and the upper shell.

[0005] According to an embodiment of the present invention, an assembly fixture for a flow meter product includes an upper shell and a base. The base is adapted to be installed into the central hole of the upper shell. The assembly fixture includes a base adapted to the base of the flow meter. Two or more positioning pins are pre-set on the base. The position and distribution of the positioning pins are adapted to the positioning holes on the base, and are adapted to position the base in a first orientation when the positioning holes of the base are inserted into the positioning pins. A fixing rod is also vertically arranged at the center of the base. The fixing rod is adapted to allow the upper shell of the flow meter to pass through it with its outer end face facing down. Limiting blocks are respectively arranged on opposite sides of the base. The limiting blocks are adapted to fix the base and to abut against the outer end face of the upper shell passing through the fixing rod. The assembly fixture also includes a clamping mechanism located at the top of the upper shell. The clamping mechanism cooperates with the fixing rod and is adapted to clamp and fasten the upper shell and the base.

[0006] Furthermore, the fixing rod is a fixing rod with a square cross-section, so that the upper shell of the flow meter is in a second position when it is inserted into the fixing rod.

[0007] Furthermore, the limiting block is set to a first height, which is adapted to the height at which the base protrudes from the upper shell.

[0008] Furthermore, the limiting block is movable up and down and rotatably mounted on the base to fix or loosen the base placed on the base.

[0009] Furthermore, the clamping mechanism includes a horizontal end plate, a sleeve, and a locking member. The horizontal end plate and the sleeve are sequentially and movably inserted through the outer periphery of the fixed rod. The horizontal end plate is configured to be movably placed between two opposite ends of the upper shell. The sleeve is movably disposed above the horizontal end plate. The sleeve has a horizontal opening, and the locking member is movably inserted through the opening to clamp the upper shell and the base between the horizontal end plate and the base.

[0010] Furthermore, the horizontal end plate has a limiting groove on the bottom surface of the upper shell to hold the end of the upper shell in place.

[0011] Furthermore, it includes one or more of the limiting grooves to accommodate different upper housing sizes of the flow meter.

[0012] Furthermore, the assembly fixture also includes a V-groove and a clamping device. The V-groove is suitable for placing the semi-finished product of the flow meter, and the clamping device is suitable for clamping the upper shell placed on the semi-finished product.

[0013] Furthermore, the semi-finished product includes a pair of flanges arranged opposite each other, and each of the pair of flanges has a grounding hole. The center point of the upper shell and the grounding holes of the pair of flanges are in a straight line.

[0014] Furthermore, the flow meter product is a flow meter product with a diameter of DN15 to DN150.

[0015] The assembly fixture for the flow meter product according to an embodiment of this utility model includes a base, a fixing rod vertically disposed at the center of the base, and a clamping mechanism for pressing and fixing the upper shell and the base. A positioning pin is provided in the base, allowing the base to be placed at a preset first angle to meet the orientation requirements of the base during processing. It is then fixed by limiting blocks disposed on both sides of the base. The upper shell can be inserted into the fixing rod with its end face facing downwards and is supported by the limiting blocks on both sides of the base to maintain a certain height space to accommodate the base. The clamping mechanism clamps the upper shell and the base for initial installation and fixing. The assembled part is then further processed and assembled into the semi-finished flow meter product for further assembly. It can be seen that this assembly fixture can install and fix the upper shell and the base according to the installation position and orientation requirements, and the operation is simple and the cost is low. Attached Figure Description

[0016] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that those skilled in the art can more clearly understand the above and other features and advantages of the present invention, in which:

[0017] Figure 1 This is a partial structural diagram of a flow meter product;

[0018] Figure 2 This is a top view of the base of the assembly fixture for the flow meter product according to an embodiment of the present utility model;

[0019] Figure 3 This is a schematic diagram of the overall structure of the assembly tooling for the flow meter product according to an embodiment of the present utility model;

[0020] The reference numerals in the attached figures are as follows:

[0021] 1. Base; 3. Positioning pins; 5. Fixing rods; 7. Limiting blocks

[0022] 9 horizontal end plates, 11 sets of fittings, 13 clip fittings, 15 limiting grooves 101 Upper shell, 102 Base, 110 Positioning hole Detailed Implementation

[0023] To make the objectives, technical solutions and advantages of this utility model clearer, the following embodiments will be used to further describe this utility model in detail.

[0024] Figure 2 This is a top view of the base 1 of the assembly fixture for the flow meter product according to an embodiment of the present utility model; Figure 3 This is a schematic diagram of the overall structure of the assembly tooling for the flow meter product according to an embodiment of the present utility model;

[0025] like Figure 2 and Figure 3As shown, the assembly fixture for the flow meter product according to an embodiment of the present invention includes a base 1 adapted to the base 102 of the flow meter. Two or more positioning pins 3 are pre-installed on the base 1. The position and distribution of the positioning pins 3 are adapted to the positioning holes 110 on the base 102, and are adapted to position the base 102 in a first orientation when the positioning holes 110 of the base 102 are inserted into the positioning pins 3. A fixing rod 5 is also vertically installed at the center of the base 1. The fixing rod 5 is adapted to allow the upper shell 101 of the flow meter to pass through it with its outer end face facing downwards. Limiting blocks 7 are respectively installed on opposite sides of the base 1. The limiting blocks 7 are adapted to fix the base 1 and to abut against the outer end face of the upper shell 101 of the flow meter passing through the fixing rod 5. The assembly fixture also includes a clamping mechanism located at the top of the upper shell 101. The clamping mechanism cooperates with the fixing rod 5 and is adapted to clamp and secure the upper shell 101 and the base 102. Based on this embodiment, a positioning pin 3 is provided on the circular base 1 adapted to the shape of the base 102. For example, two positioning pins 3 are provided, respectively corresponding to... Figure 1 The positions of holes 1 and 2 (5 positioning holes 110) and the positioning pins 3 are arranged according to the orientation and angle of the base 102 installed on the upper shell 101 of this product model. This ensures that when the base 102 is placed on the base 1, holes 1 and 2 are inserted into the positioning pins 3, and the base 102 is in the first orientation (e.g., the line connecting holes 1 and 2 is parallel to the X-axis). This achieves both positioning and orientation, ensuring correct installation parameters. Limiting blocks 7 are also provided on opposite sides of the base 1, and a fixing rod 5 is vertically installed at the center of the base 1. The limiting blocks 7 clamp the base 102 placed on the base 1 and, by setting a certain height, hold the upper shell 101 at a first height when inserted into the fixing post with its outer end face downwards, to accommodate the base 102. Then, the clamping mechanism clamps and secures the upper shell 101 and the base 102, and initial fixation is achieved through spot welding.

[0026] Furthermore, the fixing rod 5 is a fixing rod with a square cross section, so that the upper shell 101 of the flow meter is in the second position when it is inserted into the fixing rod 5.

[0027] By setting the fixing rod 5 to a square shape, the upper shell 101 is positioned in the second orientation required for this product model. For example, the position of the positioning pin 3 is such that the line connecting holes 1 and 2 of the base 102 is parallel to the X-axis, and when the upper shell 101 is placed in the fixing rod 5, the line connecting the two horizontal ends of the arc of the upper shell 101 is perpendicular to the line connecting holes 1 and 2.

[0028] Furthermore, the limiting block 7 is set to a first height, which is adapted to the height at which the base 102 protrudes from the upper shell 101. Specifically, the first height may be, for example, the required height at which the base 102 protrudes from the end face of the upper shell 101. This facilitates confirmation of the relative position between the upper shell 101 and the base 102 for subsequent assembly.

[0029] Furthermore, the limiting block 7 is movably and rotatably mounted on the base 1 to fix or loosen the base 102 placed on the base 1. Specifically, the limiting block 7 and the base 1 are connected by a shaft, allowing the limiting block 7 to rotate so that its end away from the shaft rotates onto or away from the base 102; it is also movably mounted on the base 102 by a spring-loaded element, so that the base 102 can be pressed when rotated onto it, and can be rotated away from it when released to remove the base 102. The connection structure between the limiting block 7 and the base 1 can be a snap-fit ​​structure as in the prior art, which can be implemented by those skilled in the art without creative effort, and will not be elaborated here.

[0030] Furthermore, the clamping mechanism includes a horizontal end plate 9, a sleeve 11, and a locking member 13. The horizontal end plate 9 and the sleeve 11 are sequentially and movably inserted through the outer periphery of the fixing rod 5. The horizontal end plate 9 is configured to be movably placed between the two opposite ends of the upper shell 101. The sleeve 11 is movably disposed above the horizontal end plate 9, and an opening is formed in the sleeve 11. The locking member 13 is movably inserted through the opening to cooperate with the fixing rod 5 to fix the horizontal end plate 9 and the upper shell 101. Specifically, the locking member 13 can be a bolt, which is screwed into the opening and, when screwed to the fixing post, holds the fixing post against it, thereby tightly clamping the upper shell 101 and the base 102 between the horizontal end plate 9 and the base 1. This facilitates spot welding.

[0031] Furthermore, a limiting groove 15 is provided on the bottom surface of the horizontal end plate 9 to engage the end of the upper shell 101 therein. Figure 2 As can be seen, the bottom of the horizontal end plate 9 has several limiting grooves 15, one of which is symmetrically arranged on the left and right sides, to adapt to a corresponding size of upper shell 101. The edge of the upper shell 101 is engaged in the limiting groove 15, thereby achieving horizontal fixation of the upper shell 101.

[0032] Furthermore, it includes one or more of the limiting grooves 15 to accommodate different sizes of the upper housing 101 of the flow meter. This embodiment makes the tooling more compatible.

[0033] Furthermore, the assembly fixture also includes a V-groove and a clamping device. The V-groove is suitable for placing the semi-finished product of the flow meter, and the clamping device is suitable for clamping the upper shell 101 placed on the semi-finished product. In this embodiment, the semi-finished product of the flow meter (e.g., including pipes and coils) is installed in the V-groove. The clamping device includes, for example, a lower pressure end plate and a lower pressure metal part. The lower pressure end plate is disposed above the outer shell assembled on the periphery of the semi-finished product and is connected to the output end of a cylinder to move up and down under the action of the cylinder. An opening is provided at the end of the lower pressure end plate, and the lower pressure metal part is engaged in the opening to move up and down with the movement of the lower pressure end plate, thereby applying force to clamp the upper shell 101, which can then be welded and fixed.

[0034] Furthermore, the semi-finished product includes a pair of flanges arranged opposite each other, each flange having a grounding hole. The center point of the upper shell 101 and the grounding holes of the pair of flanges are aligned in a straight line. This achieves the requirement that the grounding holes of the flanges and the center hole of the base 102 are aligned.

[0035] The assembly tooling for the flow meter product based on the embodiments of this utility model can be used for flow meter products with diameters from DN15 to DN150.

[0036] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An assembly fixture for a flow meter product, the flow meter product comprising an upper housing (101) and a base (102), the base (102) being adapted to be installed into the central hole of the upper housing (101); characterized in that, The assembly fixture includes a base (1) adapted to the base (102) of the flow meter. Two or more positioning pins (3) are pre-set on the base (1). The position and distribution of the positioning pins (3) are adapted to the positioning holes (110) on the base (102) and are adapted to place the base (102) in a first position when the positioning holes (110) of the base (102) are inserted into the positioning pins (3). A fixing rod (5) is also vertically set at the center of the base (1). The fixing rod (5) is adapted to insert the upper shell (101) of the flow meter with its outer end face facing down. Limiting blocks (7) are respectively set on opposite sides of the base (1). The limiting blocks (7) are adapted to fix the base (1) and to hold the outer end face of the upper shell (101) inserted in the fixing rod (5). The assembly fixture also includes a clamping mechanism located on the top of the upper shell (101), which cooperates with the fixing rod (5) and is suitable for clamping and securing the upper shell (101) and the base (102).

2. The flowmeter product assembly tooling of claim 1, wherein, The fixing rod (5) is a square-section fixing rod (5) so that the upper shell (101) of the flow meter is in the second position when it is inserted into the fixing rod (5).

3. The flowmeter product assembly tooling of claim 1, wherein, The limiting block (7) is set to a first height, which is adapted to the height at which the base (102) protrudes from the upper shell (101).

4. The flowmeter product assembly tooling of claim 1, wherein, The limiting block (7) is movable up and down and rotatably mounted on the base (1) to fix or loosen the base (102) placed on the base (1).

5. The flowmeter product assembly tooling of claim 1, wherein, The clamping mechanism includes a horizontal end plate (9), a sleeve (11), and a locking member (13). The horizontal end plate (9) and the sleeve (11) are sequentially and movably inserted through the outer periphery of the fixing rod (5). The horizontal end plate (9) is configured to be movably placed between the two opposite ends of the upper shell (101). The sleeve (11) is movably disposed above the horizontal end plate (9). The sleeve (11) has a horizontal opening. The locking member (13) is movably inserted through the opening to clamp the upper shell (101) and the base (102) between the horizontal end plate (9) and the base (1).

6. The flowmeter product assembly tooling of claim 5, wherein, The horizontal end plate (9) is provided with a limiting groove (15) facing the bottom surface of the upper shell (101) to lock the end of the upper shell (101) therein.

7. The flowmeter product assembly tooling of claim 6, wherein, It includes one or more of the limiting grooves (15) to accommodate different sizes of the upper housing (101) of the flow meter.

8. The flowmeter product assembly tooling of claim 1, wherein, The assembly fixture also includes a V-groove and a clamping device. The V-groove is suitable for placing the semi-finished product of the flow meter, and the clamping device is suitable for clamping the upper shell (101) placed on the semi-finished product.

9. The assembly fixture for the flow meter product according to claim 8, characterized in that, The semi-finished product includes a pair of flanges arranged opposite each other, and each of the pair of flanges has a grounding hole. The center point of the upper shell (101) and the grounding holes of the pair of flanges are in a straight line.

10. The flowmeter product assembly tooling of claim 1, wherein, The flow meter product is a flow meter product with a diameter of DN15 to DN150. The flow meter product is a flow meter product with a diameter of DN15 to DN150.

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